Add: Benchmark

Openset · Openset · commit 28a8db48112d · 2018-12-29T17:54:20.000+08:00
diff --git a/problems/number-of-1-bits/number_of_1_bits_test.go b/problems/number-of-1-bits/number_of_1_bits_test.go
@@ -21,6 +21,10 @@ func TestHammingWeight(t *testing.T) {
 			input:    8,
 			expected: 1,
 		},
+		{
+			input:    0x5555,
+			expected: 8,
+		},
 	}
 	for _, tc := range tests {
 		output := hammingWeight(tc.input)
@@ -29,3 +33,9 @@ func TestHammingWeight(t *testing.T) {
 		}
 	}
 }
+
+func BenchmarkHammingWeight(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		hammingWeight(0x55555555)
+	}
+}

Original file line number	Diff line number	Diff line change
`@@ -21,6 +21,10 @@ func TestHammingWeight(t *testing.T) {`
`21`	`21`	`input: 8,`
`22`	`22`	`expected: 1,`
`23`	`23`	`},`
	`24`	`+ {`
	`25`	`+ input: 0x5555,`
	`26`	`+ expected: 8,`
	`27`	`+ },`
`24`	`28`	`}`
`25`	`29`	`for _, tc := range tests {`
`26`	`30`	`output := hammingWeight(tc.input)`
`@@ -29,3 +33,9 @@ func TestHammingWeight(t *testing.T) {`
`29`	`33`	`}`
`30`	`34`	`}`
`31`	`35`	`}`
	`36`	`+`
	`37`	`+func BenchmarkHammingWeight(b *testing.B) {`
	`38`	`+ for i := 0; i < b.N; i++ {`
	`39`	`+ hammingWeight(0x55555555)`
	`40`	`+ }`
	`41`	`+}`